I wanna get rid of my Fupa 😭

After I had my son I started losing weight and then got in a major car accident 2 weeks after having him I was down for almost a year and gained so much weight. I broke 6 bones so I wasn’t able to do much. And my c-section incision opened back up as well. So I’m currently 315 lbs. My doctor started me on Phentermine because I’m having a very hard time losing weight by myself. What are some good exercises to get rid of the fupa! And just lose weight. But mostly the fupa. Lol.